20868061

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 24736320

約数和(自身を除く): 3868259

約数列:

[1, 17, 19, 23, 53, 323, 391, 437, 901, 1007, 1219, 2809, 7429, 17119, 20723, 23161, 47753, 53371, 64607, 393737, 907307, 1098319, 1227533, 20868061]

約数ペア:

[(1, 20868061), (17, 1227533), (19, 1098319), (23, 907307), (53, 393737), (323, 64607), (391, 53371), (437, 47753), (901, 23161), (1007, 20723), (1219, 17119), (2809, 7429)]